七年级数学下册计算题大全258.docx
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七年级数学下册计算题大全258.docx
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七年级数学下册计算题大全258
6
(7x2-xy+—x)-(6x2-9xy-5x)
7
33
(—xy+7y2-4)+(x2+—xy+6y2+4)
44
19
(xy+—y-—)+(xy+x-2)
88
(3y+7x+5z2)+(6y-9x-5z2)
(k2+8k)-(7k2+3k-6)
(6a2+3a+5b)+(6a2+5a-8b)
8x2-(8x2-x+5)+(5x-9)
6y2-(2x2+y)+(4x2+y2)
8
(x2+4xy+—x)+(7x2+7xy-6x)
7
56
(—xy-4y2+6)+(x2+—xy+y2-5)
67
96
(xy-—y+—)+(xy+x+4)
87
(y+3x-5z2)+(5y-x-2z2)
(k2+k)+(7k2+7k-3)
(a2+2a+3b)+(9a2+a+7b)
5x2-(9x2+5x+1)+(9x+9)
9y2+(4x2-y)-(5x2+9y2)
1
(6x2-2xy-—x)-(2x2+2xy-9x)
5
91
(—xy+2y2-7)+(x2+—xy+5y2+1)
83
41
(xy-—y+—)+(xy+x+9)
57
(6y-5x-4z2)+(7y+7x-7z2)
(5k2+5k)-(6k2+2k+8)
(8a2+7a+b)+(3a2+4a-3b)
2x2-(4x2+3x-3)+(4x-2)
8y2-(3x2+y)-(5x2+3y2)
1
(2x2+4xy+—x)-(7x2-2xy-2x)
7
19
(—xy+6y2+8)+(x2+—xy+y2-5)
68
61
(xy-—y+—)-(xy-x+8)
56
(6y-2x-8z2)+(8y+7x-4z2)
(6k2-7k)-(6k2+6k-3)
(8a2-7a-3b)-(5a2-7a-7b)
6x2+(3x2+4x-7)-(9x-2)
3y2-(9x2+y)+(8x2-8y2)
8
(9x2-9xy+—x)-(7x2+6xy-9x)
7
36
(—xy+6y2-2)-(x2-—xy-9y2-3)
47
11
(xy-—y-—)+(xy-x+5)
54
(y-4x-3z2)-(9y-4x-6z2)
(k2-k)+(2k2+k-1)
(3a2+2a+4b)-(6a2+9a+4b)
x2+(6x2+7x-1)-(x+5)
7y2+(7x2+y)-(4x2+9y2)
2
(9x2-4xy-—x)-(5x2-7xy+5x)
3
21
(—xy+4y2+5)+(x2-—xy-7y2+1)
37
34
(xy-—y-—)+(xy+x+9)
43
(7y+6x-7z2)+(7y+x-3z2)
(6k2-9k)+(6k2-9k-2)
(4a2-3a-8b)-(2a2+4a+b)
7x2-(9x2+7x-1)+(x+3)
4y2-(3x2+y)-(8x2-y2)
9
(4x2-2xy+—x)-(5x2+4xy-2x)
8
14
(—xy-y2-1)-(x2+—xy-8y2-7)
35
51
(xy+—y-—)-(xy+x-5)
48
(2y+8x+2z2)+(5y+8x+5z2)
(6k2+k)+(7k2-4k-6)
(2a2-3a+b)-(5a2-a-7b)
9x2+(x2+7x-4)+(5x+7)
9y2-(6x2+y)+(3x2+9y2)
5
(8x2-2xy+—x)-(9x2-9xy+9x)
6
54
(—xy+y2-1)+(x2+—xy-6y2-3)
43
15
(xy+—y-—)+(xy+x-7)
46
(3y-x-3z2)+(3y-6x-8z2)
(3k2-8k)+(6k2+3k+8)
(3a2+9a+7b)+(4a2-2a+5b)
4x2-(2x2+2x-4)-(2x-5)
8y2-(9x2-y)+(9x2+6y2)
7
(9x2+6xy-—x)-(3x2+6xy+x)
6
11
(—xy-y2-7)-(x2-—xy+6y2+3)
36
91
(xy+—y-—)+(xy+x-1)
88
(2y+x-8z2)+(3y-5x+9z2)
(5k2+7k)+(9k2-4k-3)
(8a2+2a+8b)+(9a2+4a+9b)
8x2+(5x2-4x+1)+(x-4)
y2-(6x2+y)+(7x2-4y2)
1
(9x2-3xy-—x)-(5x2-6xy+4x)
4
17
(—xy-5y2-1)-(x2+—xy-y2-6)
86
11
(xy+—y-—)+(xy-x+5)
34
(9y+9x-4z2)-(5y-7x-6z2)
(5k2-6k)+(6k2-k-9)
(7a2+6a+4b)+(3a2-3a+8b)
9x2-(5x2-5x-4)-(2x-4)
4y2-(6x2+y)+(8x2+6y2)
1
(7x2+6xy-—x)-(x2+4xy-8x)
3
66
(—xy+6y2-3)-(x2-—xy-y2+1)
57
31
(xy+—y-—)-(xy-x-9)
43
(4y-7x+7z2)+(5y+x-z2)
(9k2+4k)+(2k2+6k-1)
(2a2-2a-2b)+(3a2-a-b)
5x2+(2x2+8x+1)-(5x+9)
4y2+(x2+y)-(5x2-6y2)
5
(8x2+xy+—x)-(5x2-8xy-3x)
6
12
(—xy+6y2+4)+(x2+—xy+8y2+3)
63
74
(xy+—y+—)+(xy-x-5)
63
(3y+x+z2)-(3y+8x-6z2)
(6k2+9k)+(6k2+2k+1)
(2a2+4a-3b)+(4a2+3a-2b)
x2-(7x2+5x-8)-(7x-7)
2y2+(8x2+y)+(7x2-8y2)
7
(9x2+3xy-—x)+(7x2-8xy-7x)
6
71
(—xy-y2-5)-(x2+—xy-8y2+8)
63
11
(xy-—y-—)-(xy+x+5)
36
(7y+2x-4z2)+(4y+5x+3z2)
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- 七年 级数 下册 算题 大全 258